HMD3030-4 is a 30x30x4 in. pad designed specifically for condenser installations in Miami-Dade counties of Florida. The Hurricane Pad MD meets the stringent local code requirements for Miami-Dade 175 mph wind zones. Check with your local DiversiTech distributor or our online wind table chart to confirm if this pad is correct for your application. Shipping is Prepaid at $3500 for AL, FL & GA only, all other states ship FOB Leesburg, FL.